📄 splpriorityqueue.compare.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Compare priorities in order to place elements correctly in the heap while sifting up.</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.splpriorityqueue.html">SplPriorityQueue</a></div> <div class="next" style="text-align: right; float: right;"><a href="splpriorityqueue.construct.html">SplPriorityQueue::__construct</a></div> <div class="up"><a href="class.splpriorityqueue.html">SplPriorityQueue</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="splpriorityqueue.compare" class="refentry"> <div class="refnamediv">  <h1 class="refname">SplPriorityQueue::compare</h1>  <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">SplPriorityQueue::compare</span> &mdash; <span class="dc-title">Compare priorities in order to place elements correctly in the heap while sifting up.</span></p> </div> <div class="refsect1 description">  <h3 class="title">Description</h3>  <div class="methodsynopsis dc-description">   <span class="type"><span class="type void">void</span></span> <span class="methodname"><b><b>SplPriorityQueue::compare</b></b></span>    ( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$priority1</tt></span>   , <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <tt class="parameter">$priority1</tt></span>   )</div>  <p class="para rdfs-comment">   Compare <i><tt class="parameter">priority1</tt></i> with <i><tt class="parameter">priority2</tt></i>.  </p> </div> <div class="refsect1 parameters">  <h3 class="title">Parameters</h3>  <p class="para">   <dl>    <dt>     <span class="term"><i><tt class="parameter">priority1</tt></i></span>     <dd>      <p class="para">       The priority of the first node being compared.      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">priority2</tt></i></span>     <dd>      <p class="para">       The priority of the second node being compared.      </p>     </dd>    </dt>   </dl>  </p> </div> <div class="refsect1 returnvalues">  <h3 class="title">Return Values</h3>  <p class="para">   Result of the comparison, positive integer if <i><tt class="parameter">priority1</tt></i> is greater than <i><tt class="parameter">priority2</tt></i>, 0 if they are equal, negative integer otherwise.  </p>  <blockquote><p><b class="note">Note</b>:        Multiple elements with the same priority will get dequeued in no particular order.   <br />  </p></blockquote> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.splpriorityqueue.html">SplPriorityQueue</a></div> <div class="next" style="text-align: right; float: right;"><a href="splpriorityqueue.construct.html">SplPriorityQueue::__construct</a></div> <div class="up"><a href="class.splpriorityqueue.html">SplPriorityQueue</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>
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